Home / 834,255.80-1,251,383.69-384,843.71

Finding the Fourth Proportional to 834,255.80, 1,251,383.69 and 384,843.71

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Solution

The fourth proportional to 834,255.80, 1,251,383.69 and 384,843.71 is: 577,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,255.80 : 1,251,383.69 = 384,843.71 : x
  2. Step 2: Convert to fraction form
    834,255.80/1,251,383.69 = 384,843.71/x
  3. Step 3: Cross multiply
    834,255.80x = 1,251,383.69 × 384,843.71
  4. Step 4: Simplify right side
    834,255.80x = 481,587,141,893.09
  5. Step 5: Solve for x
    x = 481,587,141,893.09/834,255.80
  6. Step 6: Final answer
    x = 577,265.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.